* {
  margin: 0;
  padding: 0;
}
body {
  background: black;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}
.box {
  width: 200px;
  height: 200px;
  position: relative;
  transform: rotate(45deg);
  /* &:hover .item:nth-child(1){
        transform: rotate(-90deg);
    }
    &:hover .item:nth-child(2){
        transform: rotate(-60deg);
    }
    &:hover .item:nth-child(3){
        transform: rotate(-30deg);
    }
    &:hover .item:nth-child(4){
        transform: rotate(0deg);
    }
    &:hover .item:nth-child(5){
        transform: rotate(30deg);
    }
    &:hover .item:nth-child(6){
        transform: rotate(60deg);
    }
    &:hover .item:nth-child(7){
        transform: rotate(90deg);
    } */
}
.box .item {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: pink;
  border-radius: 0px 200px 0px 200px ;
  transform-origin: right bottom;
  opacity: 0.5;
  transition: all 0.5s;
}
.box:hover .item:nth-child(1) {
  transform: rotate(-90deg);
}
.box:hover .item:nth-child(2) {
  transform: rotate(-60deg);
}
.box:hover .item:nth-child(3) {
  transform: rotate(-30deg);
}
.box:hover .item:nth-child(4) {
  transform: rotate(0deg);
}
.box:hover .item:nth-child(5) {
  transform: rotate(30deg);
}
.box:hover .item:nth-child(6) {
  transform: rotate(60deg);
}
.box:hover .item:nth-child(7) {
  transform: rotate(90deg);
}
